2NaCl(aq) + Pb(NO3)2(aq) - PC(s) + 2NaNO3(aq) Which are spectator ions in the equation? Select all that apply? A Na+
B Pb2+
C Cr-
D NO3-​

C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it  is the answer.hope i you.

Answerit curves up and levels out.explanationwe assume that the container contains absolutely no ammonia to begin with as it states that "nitrogen gas and hydrogen gas" react to "produce ammonia."at dynamic equilibrium, the product and reactant concentrations are equal.this means that, starting from a concentration of zero, [nh₃] must curve "up" from zero and then level out to a constant concentration.

Answer the same molecular formula;

Idon't mean to be a smart alec, length of atoms' bonds is the simplest way to define it.